Roadmap

This page recapitulates our plan for the future of Phobos, in order of implementation:

Project	Description	Status
Device fair share	implement a mechanism for equal partitioning of requests between devices	ongoing
early locate with compatibility check	check at locate if a host has compatible devices for the media the object is on	done
deprecated stats	retrieve information about the number of deprecated objects on a medium	ongoing
extent migration	migrate extents from one medium to another	ongoing
repack/cleanup	complete deletion of an object and its extent from the system and media	ongoing
TLC		ongoing
multi-library support	support multiple libraries in a single Phobos instance	ongoing
Erasure Coding	implementation of an Erasure Coding storage layout
grouped put	group multiple put requests into a single one and optimize medium usage
auto tags	have a pool of untagged tapes that can be selected and tagged when the number of tapes of a given tag drops to 0
mandatory tagging	define a set of tags that must be specified at put (manage communities of users)
internal HSM management	manage HSM requests from one storage tier to another
disaster recovery	recovering the database and information about objects and such after a failure
RAO implementation	take into account the Recommended Access Order on tapes
Server-client	allow remote commands to be executed on a Phobos node